Pitch patterns of intonational phrases and intonational phrase groups in native and non-native speech. - Hiroko Hirano; Goh Kawai (INTERSPEECH, 2005)

Unfilled pauses in Japanese sentences read aloud by non-native learners. - Hiroko Hirano; Goh Kawai; Keikichi Hirose; Nobuaki Minematsu (INTERSPEECH, 2006)

F0 models show Chinese speakers of Japanese insert intonational boundaries and drop pitch. - Hiroko Hirano; Keikichi Hirose; Goh Kawai; Wentao Gu; Nobuaki Minematsu (INTERSPEECH, 2007)

A free online accent and intonation dictionary for teachers and learners of Japanese. - Hiroko Hirano; Ibuki Nakamura; Nobuaki Minematsu; Masayuki Suzuki; Chieko Nakagawa; Noriko Nakamura; Yukinori Tagawa; Keikichi Hirose; Hiroya Hashimoto (INTERSPEECH, 2013)

Development of a web framework for teaching and learning Japanese prosody: OJAD (online Japanese accent dictionary). - Ibuki Nakamura; Nobuaki Minematsu; Masayuki Suzuki; Hiroko Hirano; Chieko Nakagawa; Noriko Nakamura; Yukinori Tagawa; Keikichi Hirose; Hiroya Hashimoto (INTERSPEECH, 2013)

OJAD: a free online accent and intonation dictionary for teachers and learners of Japanese. - Hiroko Hirano; Ibuki Nakamura; Nobuaki Minematsu; Masayuki Suzuki; Chieko Nakagawa; Noriko Nakamura; Yukinori Tagawa; Keikichi Hirose; Hiroya Hashimoto (SLaTE, 2013)

Development of a prosodic reading tutor of Japanese - effective use of TTS and F0 contour modeling techniques for CALL. - Nobuaki Minematsu; Hiroya Hashimoto; Hiroko Hirano; Daisuke Saito (SLaTE, 2015)

Development and Evaluation of Online Infrastructure to Aid Teaching and Learning of Japanese Prosody. - Nobuaki Minematsu; Ibuki Nakamura; Masayuki Suzuki; Hiroko Hirano; Chieko Nakagawa; Noriko Nakamura; Yukinori Tagawa; Keikichi Hirose; Hiroya Hashimoto (IEICE Trans. Inf. Syst., 2017)